| 摘要 |
FIELD: pump engineering. ^ SUBSTANCE: method of starting a pumping unit, which has centrifugal pump provided with the electric motor and mounted in the by-pass line of the main pipeline whose section within the by-pass is provided with a valve, comprises flowing a portion of fluid to be pumped through the by-pass line by closing in part the valve, thus providing acceleration of the rotor of the pump and starting the pump unit. ^ EFFECT: enhanced reliability. ^ 1 dwg |
